Biomarkers · Cardiac & Hemodynamics
Corrected QT Interval (QTc)
Lower values carry lower risk. Not measured in our NHANES panel; the curve is synthesised from the published association.
Hazard ratio relative to the curve's reference value, as synthesised from the published association.
Published hazard ratio1.41top vs bottom third (95% CI 1.26–1.58) · NHANES III ECG sub-study mortality linkage
Where people sit
Population percentiles (ms) by sex and age band. Cycle or source as recorded in the catalogue.
| Sex | Age | 5th | 25th | Median | 75th | 95th | n | Cycle / source |
|---|---|---|---|---|---|---|---|---|
| All | 20-39 | 341 | 362 | 377 | 392 | 413 | 7,600 | Peto et al. 2017 (Mort… |
| All | 40-59 | 379 | 402 | 418 | 434 | 457 | 7,600 | Peto et al. 2017 (Mort… |
| All | 60+ | 425 | 448 | 464 | 481 | 504 | 7,600 | Peto et al. 2017 (Mort… |
| All | all | 379 | 402 | 418 | 434 | 457 | 7,600 | Peto et al. 2017 (Mort… |
| Men | all | 385 | 408 | 424 | 440 | 464 | 7,600 | Peto et al. 2017 (Mort… |
| Women | all | 372 | 395 | 412 | 428 | 451 | 7,600 | Peto et al. 2017 (Mort… |
Sources
- Hazard curve: Peto et al. 2017 (PMID 28858850) anchor; nhanes_cox_spline
- Peto MV, et al. MortalityPredictors.org: a manually-curated database of published results from longitudinal studies of mortality risk factors. Aging (Albany NY). 2017;9(9):1965-1983.